The original MGRV8 spacesaver wheel was part number ZKC5997 which are very rare and just about impossible to find.
Apparently the SAAB Classic Space
Saver wheel can be adapted to do the job. The wheel was made between 1979 & 86 and its a J4 x 15 wheel stamped part No. 8942088 – the tyre size is 125/ 80 x 15. Make sure its the earlier 4 stud hole saab 900 wheel.
If you do find one of these wheels 2 modifications are necessary
1.A steel 1/2″ spacer (usually tack welded) without this spacer the wheel won’t clear the front brake calipers.
2. The wheel stud holes need to be slightly counter sunk to suit the tapered RV8 wheel nuts.
I shall be looking out for one on ebay and autojumbles
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